When Roz gets scammed by a con artist for $10, Frasier boasts that he's too clever for such tricks. Martin sees an opportunity to take Frasier’s ego down a notch and challenges him to figure out which of his three poker buddies is an ex-convict. Frasier loses the bet, but Martin is appalled to hear that Daphne has made a date with the man (as is Niles).